Home / 35,427.20-53,127.36-12,046.72

Finding the Fourth Proportional to 35,427.20, 53,127.36 and 12,046.72

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Solution

The fourth proportional to 35,427.20, 53,127.36 and 12,046.72 is: 18,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.20 : 53,127.36 = 12,046.72 : x
  2. Step 2: Convert to fraction form
    35,427.20/53,127.36 = 12,046.72/x
  3. Step 3: Cross multiply
    35,427.20x = 53,127.36 × 12,046.72
  4. Step 4: Simplify right side
    35,427.20x = 640,010,430.26
  5. Step 5: Solve for x
    x = 640,010,430.26/35,427.20
  6. Step 6: Final answer
    x = 18,065.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.